Question

Using this data collected perform the 4 step process, including hypothesis testing and confidence intervals to answer the following:

According to the ASPCA, 44% of American households have a dog as a pet. Does the percentage of Carlow students who have a dog as a pet differ from 44%?

Does the number of hours a week DA students study differ from the number of hours a week DB students study?

According to the National Coffee Association, Americans drink an average of 3 cups of coffee per day. Is the number of cups of coffee Carlow students drink per day less than the national average?

According to the American College of Sports Medicine, students should exercise 2.5 hours a week. Does the number of hours MAT115 students exercise a week differ from 2.5? Assume ơ = 3.

Coffee	Hrs Exer	Dog Pet	Class	Hrs Study
0	3	yes	DA	25
2	1	No	DA	8
3	5	No	DA	1
0	2	Yes	DA	3
2	9	Yes	DA	4
3.5	15	Yes	DA	35
0	20	Yes	DA	8
0	0	No	DA	2
1	5	No	DA	5
0	1	Yes	DA	4
1	2	Yes	DA	2
0	3	Yes	DA	3
0	2.5	Yes	DA	3
0	2	No	DA	25
2	6	Yes	DA	25
1	1.5	No	DA	18
2.5	0	Yes	DA	21
1	3.5	Yes	DA	3.5
1	8	No	DA	8
1.5	5	No	DA	5
1	1	No	DB	2
0	0	Yes	DB	40
0	10	No	DB	10
2	1.5	No	DB	11
1	1	Yes	DB	15
1	1	No	DB	6
2	0	Yes	DB	4
2	3	Yes	DB	20
2	4	Yes	DB	40
0	0	Yes	DB	3
2	1.5	Yes	DB	5
1	1	Yes	DB	40
4	3	Yes	DB	30
2	0	Yes	DB	28
0	0	No	DB	40
2	4	No	DB	10
0	1	Yes	DB	12
0	5	Yes	DB	30
1	0	No	DB	10
2	4	No	DB	10

Answer 1